Vulnerability Details : CVE-2011-2012
Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."
Vulnerability category: Input validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-2012
Probability of exploitation activity in the next 30 days: 11.85%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 95 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-2012
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-2012
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2012
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799
Repository / Oval Repository
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http://www.securityfocus.com/bid/49980
Microsoft Forefront Unified Access Gateway Null Session Cookie Denial of Service Vulnerability
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https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
Microsoft Security Bulletin MS11-079 - Important | Microsoft Docs
Products affected by CVE-2011-2012
- cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:sp1:*:*:*:*:*:*